["Wie materialen gering gefährliche Mischgaseste in Rohrleitungswah auswählen

2019-02-14View Original

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", "Kann ein Rohrleitungsnachen N613 verwendet werden, wenn in derle爆炸性混合气体中含有百分之0.3的高度危害介质？如何确定？

Reply #22019-02-14

根据压力管道审批人员教材，第51页简单分析，高度危害＜5.5%，可以认为是非有毒介质，这是一个估算；如果精确请根据第51页的公式计算一下。因此从毒性上说应该是无毒的，能否使用GB8163还需根据混合气体的压力无应小于4.5MPa

Reply #32019-02-14

�多�是小于4.5MPa

Reply #42019-02-14

先分析分析、判断危害程度！再按标准选取！不能低于标准要求！不要得不偿失！

Reply #52019-02-14

混合气体管道的规格选取需要参考什么标准。易燃易爆气体小于1.1MPa以下含有百分之 w.3左右乙烯气。可以选用N663管道么

Reply #62019-02-15

", "Weniger als小于4.5MPa.属于GCN可以可以用N6633。。超过4.5MPa是属于GCN根据GBN8N8NGCN不可以使用N63333

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